From 2c6df2af8c5751d1ba68df589f4c0d228c401742 Mon Sep 17 00:00:00 2001
From: Thomas Lenz <tlenz@iaik.tugraz.at>
Date: Mon, 18 Jan 2016 16:29:04 +0100
Subject: add two methods to KeyValueUtils

---
 .../moa/id/commons/utils/KeyValueUtils.java        | 43 +++++++++++++++++++++-
 1 file changed, 41 insertions(+), 2 deletions(-)

diff --git a/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/utils/KeyValueUtils.java b/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/utils/KeyValueUtils.java
index 8f3a8402d..cbdd13d0e 100644
--- a/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/utils/KeyValueUtils.java
+++ b/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/utils/KeyValueUtils.java
@@ -31,6 +31,8 @@ import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
 
+import org.apache.commons.lang3.StringUtils;
+
 import at.gv.egovernment.moa.util.MiscUtil;
 
 /**
@@ -40,6 +42,7 @@ import at.gv.egovernment.moa.util.MiscUtil;
 public class KeyValueUtils {
 	
 	public static final String KEY_DELIMITER = ".";
+	public static final String CSV_DELIMITER = ",";
 	
 	/**
 	 * Extract the first child of an input key after a the prefix
@@ -237,7 +240,8 @@ public class KeyValueUtils {
 	 * Normalize a CSV encoded list of value of an key/value pair
 	 * 
 	 * This method removes all whitespace at the begin or the 
-	 * end of CSV values
+	 * end of CSV values and remove newLine signs at the end of value.
+	 * The ',' is used as list delimiter
 	 * 
 	 * @param value CSV encoded input data
 	 * @return normalized CSV encoded data or null if {value} is null or empty
@@ -245,7 +249,7 @@ public class KeyValueUtils {
 	public static String normalizeCSVValueString(String value) {
 		String normalizedCodes = null;
 		if (MiscUtil.isNotEmpty(value)) {			
-			String[] codes = value.split(",");
+			String[] codes = value.split(CSV_DELIMITER);
 			for (String el: codes) {
 				if (normalizedCodes == null)
 					normalizedCodes = el.trim();
@@ -256,4 +260,39 @@ public class KeyValueUtils {
 		}
 		return normalizedCodes;
 	}
+	
+	
+	/**
+	 * Check a String if it is a comma separated list of values
+	 * 
+	 * This method uses the ',' as list delimiter.
+	 * 
+	 * @param value CSV encoded input data
+	 * @return true if the input data contains a ',' and has more then 1 list element, otherwise false
+	 */
+	public static boolean isCSVValueString(String value) {
+		if (MiscUtil.isNotEmpty(value)) {			
+			String[] codes = value.split(CSV_DELIMITER);
+			if (codes.length >= 2) {
+				if (MiscUtil.isNotEmpty(codes[1].trim()))
+					return true;
+				
+			}			
+		}
+		
+		return false;
+	}
+	
+	
+	/**
+	 * This method remove all newline delimiter (\n or \r\n) from input data
+	 * 
+	 * @param value Input String
+	 * @return Input String without newline characters
+	 */
+	public static String removeAllNewlineFromString(String value) {
+		return value.replaceAll("(\\t|\\r?\\n)+", "");
+		
+	}
+	
 }
-- 
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